[media] vb2: add debugging code to check for unbalanced ops
When a vb2_queue is freed check if all the mem_ops and queue ops were balanced. So the number of calls to e.g. buf_finish has to match the number of calls to buf_prepare, etc. This code is only enabled if CONFIG_VIDEO_ADV_DEBUG is set. Signed-off-by:Hans Verkuil <hans.verkuil@cisco.com> Acked-by:
Pawel Osciak <pawel@osciak.com> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
Mauro Carvalho Chehab <m.chehab@samsung.com>
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